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About

Flask is a lightweight WSGI web application framework. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. It began as a simple wrapper around Werkzeug and Jinja and has become one of the most popular Python web application frameworks. Flask offers suggestions, but doesn't enforce any dependencies or project layout. It is up to the developer to choose the tools and libraries they want to use. There are many extensions provided by the community that make adding new functionality easy.

About

You never extend classes and you rarely implement interfaces. Javalin is just a few thousand lines of code on top of Jetty, and its performance is equivalent to raw Jetty code. Due to its size, it's very easy to reason about the source code. Other Java and Kotlin web frameworks usually offer one version for each language. Javalin is being made with inter-operability in mind, apps are built the same way in both Java and Kotlin. Javalin runs on top of Jetty, one of the most used and stable web servers on the JVM. You can configure the Jetty server fully, including SSL and HTTP3 and everything else that Jetty offers. Many lightweight Java and Kotlin web frameworks don't support OpenAPI, but Javalin does.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

DevOps teams looking for a Development Framework solution

Audience

Developers searching for a simple web framework solution for Java and Kotlin

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 4.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Flask
palletsprojects.com/p/flask/

Company Information

Javalin
javalin.io

Alternatives

Alternatives

Ktor

Ktor

JetBrains
Jersey

Jersey

Eclipse Foundation

Categories

Categories

Integrations

AppSignal
Azure Marketplace
Comet
Defang
Flowbite
GoCodeo
Ignite
Kontra
Koyeb
Logto
New Relic
PyCharm
Python
RadSystems
RunCode
SuperAGI SuperCoder
TeamStation
ToDesktop
WhyLabs

Integrations

AppSignal
Azure Marketplace
Comet
Defang
Flowbite
GoCodeo
Ignite
Kontra
Koyeb
Logto
New Relic
PyCharm
Python
RadSystems
RunCode
SuperAGI SuperCoder
TeamStation
ToDesktop
WhyLabs
Claim Flask and update features and information
Claim Flask and update features and information
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Claim Javalin and update features and information